R. B. Hajela
- Roofing finishes. Alluvial black and red soils for tile production. Dans: Bâtiment International / Building Research and Practice, v. 17, n. 5 (septembre 1989). (1989):
- Agro-Industrial Wastes in Brickmaking. Dans: Bâtiment International / Building Research and Practice, v. 13, n. 4 (juillet 1985). (1985):
- Semi‐dry pressed tiles from alluvial deposits of northern India. Tiles shaped in semi‐dry state prove successful. Dans: Building Research & Information, v. 19, n. 2 ( 1991). (1991):